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AllocMap

traaains::utils::alloc_map::stack

Struct AllocMap 

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pub struct AllocMap<const N: usize>(IntervalBitmap<N>)
where
    [(); { _ }]:;
Expand description

Allocation map, backed by an interval tree on top of a bitmap. N must be a power of two. Steps are taken to treat incorrect input (rounded to nearest power).

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§0: IntervalBitmap<N>

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impl<const N: usize> AllocMap<N>
where [(); { _ }]:,

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fn find_first_free(&self) -> Option<usize>

Returns interval index of first unallocated item, if exists

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pub fn allocate(&mut self) -> Option<usize>

Allocates the smallest available space and returns its index

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pub fn deallocate(&mut self, index: usize)

Deallocates the target index

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pub fn is_allocated(&mut self, index: usize) -> bool

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pub fn has_free(&self) -> bool

Trait Implementations§

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impl<const N: usize> Clone for AllocMap<N>
where [(); { _ }]:,

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<const N: usize> Default for AllocMap<N>
where [(); { _ }]:,

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<const N: usize> Freeze for AllocMap<N>

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impl<const N: usize> RefUnwindSafe for AllocMap<N>

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impl<const N: usize> Send for AllocMap<N>

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impl<const N: usize> Sync for AllocMap<N>

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impl<const N: usize> Unpin for AllocMap<N>

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impl<const N: usize> UnsafeUnpin for AllocMap<N>

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impl<const N: usize> UnwindSafe for AllocMap<N>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T, U> AsBindGroupShaderType<U> for T
where U: ShaderType, &'a T: for<'a> Into<U>,

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fn as_bind_group_shader_type(&self, _images: &RenderAssets<GpuImage>) -> U

Return the T [ShaderType] for self. When used in [AsBindGroup] derives, it is safe to assume that all images in self exist.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
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impl<T> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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Converts self into T using Into<T>. Read more
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fn into_any(self: Box<T>) -> Box<dyn Any>

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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Causes self to use its Display implementation when Debug-formatted.
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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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Causes self to use its Octal implementation when Debug-formatted.
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Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
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Borrows self and passes that borrow into the pipe function. Read more
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Mutably borrows self and passes that borrow into the pipe function. Read more
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where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

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where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

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Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
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Uses borrowed data to replace owned data, usually by cloning. Read more
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